RehersalTrax CD - includes 4 CD's, part dominant (Sop, Alto, Ten, Bass), reproducible, to assist with learning individual parts

SplitTrax CD - includes voices and instruments in right channel, inst. only in left channel, requires a media player that can split the speaker channels

StudioTrax CD - includes an accompaniment track only

Listening CD - includes a full performance of the primary voicing for rehearsal purposes

ShowTrax CD - includes a full performance of the primary voicing and an accompaniment only track

VoiceTrax CD - includes a full performance of the primary voicing, accompaniment only and part-predominant tracks for each voice part of each voicing

ChoirTrax CD - includes a full performance of the primary voicing and an accompaniment only track

In some publications orchestral instrumentation appears in score order as follows:

flute, oboe, clarinet, sax, bassoon/horn, trumpet, trombone, tuba/percussion/harp, keyboard/ violin 1, violin 2, viola, cello, doublebass)

For instance, (20101/2211/2/10/88422) would indicate 2 flutes, 1 clarinet, 1 bassoon, 2 horns, 2 trumpets, 1 trombone, 1 tuba, 2 percussion parts, 1 harp, 8 violin 1, 8 violin 2, 4 viola, 2 cello, 2 doublebass.